AAS 207th Meeting, 8-12 January 2006
Session 78 Seeing the Universe in a New (Sodium) Light: Early Science Results from Laser Guide Star Adaptive Optics
Poster, Tuesday, 9:20am-6:30pm, January 10, 2006, Exhibit Hall

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[78.12] Observing L and T Dwarfs with Keck LGS AO

C. R. Gelino, S. R. Kulkarni (Caltech)

We have been using the Laser Guide Star Adaptive Optics system on the Keck II telescope to observe L and T dwarfs. We present here the results of this project, including the first observations resolving the Kelu-1 binary system. This system has a separation of about 0.3 arcsec and the companions differ in K magnitude by 0.39 mag. Multi-epoch observations indicate the companion is still heading towards apastron. We will discuss this object as well as our other targets.

The author(s) of this abstract have provided an email address for comments about the abstract: cgelino@gps.caltech.edu

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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.